Home / 3,197.27-4,789.53-1,967.09

Finding the Fourth Proportional to 3,197.27, 4,789.53 and 1,967.09

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Solution

The fourth proportional to 3,197.27, 4,789.53 and 1,967.09 is: 2,946.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.27 : 4,789.53 = 1,967.09 : x
  2. Step 2: Convert to fraction form
    3,197.27/4,789.53 = 1,967.09/x
  3. Step 3: Cross multiply
    3,197.27x = 4,789.53 × 1,967.09
  4. Step 4: Simplify right side
    3,197.27x = 9,421,412.62
  5. Step 5: Solve for x
    x = 9,421,412.62/3,197.27
  6. Step 6: Final answer
    x = 2,946.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.